SKY-MAP.ORG

To Survive in the Universe

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TYC 4437-1424-1

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관련 글
관련 링크
그룹

사진

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DSS Images Other Images

관련 글

Correlation of the HIPPARCOS and Allegheny Observatory Parallax Catalogs No significant difference is found between the systems of the Hipparcosand Allegheny Observatory MAP parallax catalogs. The correlation of theparallaxes of 63 stars common to both programs is 0.9995 +/- 0.0001,with an average standard deviation of the difference of 0.0023". Whilethere is no indication of systematic difference in the two programs, ourstudy suggests that the formal errors in one or both catalogs aresomewhat underestimated.
Spectral types and luminosity classifications of MAP region stars using UBVRI and DDO photometry Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1989AJ.....98.1768C&db_key=AST
An Astrometric Study of the Spectroscopic Binary ? Draconis Abstract image available at:http://adsabs.harvard.edu/abs/1974PASP...86..448B

관련 링크

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관측 및 측정 데이터

별자리:	용자리
적경:	18^h23^m12.46^s
적위:	+72Â°53'40.4"
가시등급:	9.258
적경상의 고유운동:	7.3
적위상의 고유운동:	-6.8
B-T magnitude:	9.713
V-T magnitude:	9.296

천체목록:

일반명	(Edit)
TYCHO-2 2000	TYC 4437-1424-1
USNO-A2.0	USNO-A2 1575-03955502
HIP	HIP 90097

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